.duotu .tupian{
    width: 715px;
    height: 604px;
    display: flex;
    flex-wrap: wrap;
}
#Gright{
    width: 715px;
    height: 800px;
}
#gejuyuan{
    background:url(../images/gejuyuan.png);
}
.tupian li{
    width: 225px;
    height: 170px;
}

.duotu{
    height: 720px;
    padding: 58px 0 0 0;
}
.Gxia{
    margin: 0 auto;
}